Sibyl AdelineThesiger was born on 16 February 1883.1 She was the daughter of Hon. SirEdward PiersonThesiger and Georgina MaryStopford.2 She died on 19 February 1954 at age 71, unmarried.1 She was a member of the Church Assembly.1 She was invested as a Member, Order of the British Empire (M.B.E.) in 1954.1